Manual: remove statement that C structs cannot be passed by value
Manual: remove statement that C structs cannot be passed by value

mcna/cffi,attila-lendvai/cffi,mcna/cffi,cffi/cffi,dkochmanski/cffi,dkochmanski/cffi,stassats/cffi,3b/cffi,cffi/cffi,cffi/cffi,3b/cffi,3b/cffi,stassats/cffi,stassats/cffi,attila-lendvai/cffi,dkochmanski/cffi